Advertisements
Advertisements
प्रश्न
Observe the figure and write the answers to the questions asked.
- Write the name of the fungus in the figure above.
- What is the source of these fungi?
- Which organic acid obtained from this organism is used in commercial production?
उत्तर
- The fungus represented in the given figure is Aspergillus niger.
- Sugar molasses, glucose and corn steep liquor is the source of these fungi.
- Organic acids like citric acid and gluconic acid are obtained from this organism and used in commercial production.
APPEARS IN
संबंधित प्रश्न
The process of conversion of sugar into alcohol is called ___________.
What are antibiotics?
If a piece of bread is kept in a container in moist place for 2 – 3 days,
1. What will you see?
2. Write scientific name and a character of the organism you may observe.
How can the soil polluted by acid rain be made fertile again?
Rewrite the following statement using correct of the option and explain the completed statement.
Harmful bacteria in like -- -- -- in the intestine are destroyed due to probiotics.
Rewrite the following statement using correct of the option and explain the completed statement.
Chemically, vinegar is -- -- --.
Give reasons.
Soil is turned over during tilling.
Nowadays, ___________ are used for treatment of diarrhoea and treatment of poultry also.
Biodegradable plastic used for storing the garbage.
A clean (smokeless) fuel.
Gaseous fuel : Coal gas : : ___________ : Coal
Sulphuric acid is a source of energy for some species of bacteria like Acidophillium.
Match the following.
Column A | Column B |
1) Baker’s yeast | a) Probiotics |
2) Sauerkraut | b) Bread |
3) Ligases | c) Antibiotics |
4) Penicillin | d) Microbial enzyme |
Which microbes convert uranium to its insoluble salts?
Give scientific reason.
Bread and other products made using commercial yeast are nutritious.
Write a short note.
Bio-fuels
Explain – Importance of microbes in sewage (water) treatment in cities.
What is the importance of probiotics to humans?
What is retting?
The figure below shows a concept of segregation, observe the following figure and answer the questions that follow:
- What is dry and wet waste?
- Why do we need to segregate our garbage?